<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS基本语法</title>
    <!--外部样式表-->
    <link rel="stylesheet" href="css_one.css">\
    <!--内部样式表-->
    <style>
        /*CSS注释*/
        h1{
            color:brown;
            font-size:5em;

        }
    </style>
</head>
<body>
    <!--内联样式表-->
    <h1>对h1标签更改显示</h1>
    <p>优先级：内联样式表->内部样式表->外部样式表->浏览器默认样式表</p>
</body>
</html>